The Professor returns

Chung Hyeon serves during his first round match against Ernesto Escobedo of the United States at the 2019 U.S. Open at the Billie Jean King National Tennis Center in New York City on Tuesday. By winning the first round 3-6, 6-4, 6-7, 6-4 and 6-2, Chung, who is known as the Professor, advanced to the second round for a third straight year. He will play Fernando Verdasco of Spain in the next round. [EPA/YONAHP]